Posted by **Andrea** on Friday, March 15, 2013 at 10:59am.

A class has 3 sections. Here is a summary of the scores on the final exam.

Average SD Number of Students

Section 1 68 9 20

Section 2 75 9 25

Section 3 60 9 32

Find the average score of all the students in the class.

## Answer this Question

## Related Questions

- probability - Exercise: Sections of a class A class consists of three sections ...
- math - students of class XI of a school were motivated to apply for NCC. from ...
- Stats - a teacher teaches two sections (A and B) of a class. Both sections have ...
- algebra - An exam consists of two parts, Section X and Section Y. There can be a...
- Algebra 1 - An exam consists of two parts, Section X and Section Y. There can be...
- math - An exam consists of two parts, Section X and Section Y. There can be a ...
- math - Statistics: Analyze student exam scores Students were given an exam with ...
- Statistics - Students were given an exam with 300 multiple-choice questions. The...
- Math - A stadium has two sections Tickets for section A cost $a each Tickets for...
- algebra 2 - A stadium has 49,000 seats. Seats sell for 25 dollars in Section A, ...